17.85% is the change from 437 to 515
Calculation steps:
[( 515 - 437 ) ÷ 437] x 100 = 17.85%
Formula
Percentage change = [(515 - 437) / 437] x 100
Subtract the new number by the original number
515 - 437 = 78
78 ÷ 437 = 0.17848970251716248
0.17848970251716248 x 100 = 17.85%